2,6-Lutidine → HCID 135965018, compound

Participants

Reaction Steps

A suspension of 4-[3-chlorosulfonylphenylazo]-1-ethoxycarboxy-5-methanesulfonamidonaphthalene (20.4 g), 6-bromohexylamine hydrobromide (14.4 g), 2,6-lutidine (600 ml) and tetrahydrofuran (30 ml) was reacted for one hour at 50°-55° C. The mixture was cooled and filtered; the filtrate was concentrated to an oil which was dissolved in a minimum amount of acetonitrile and chromatographed on silica gel using acetonitrile as the eluant. The orange colored eluate was concentrated and cooled to obtain the product; yield 7.3 g (32%), m.p. 163°-5° C.

Provenance & Evidence